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Finding the Third Proportional to 18,016 and 27,072

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Solution

The third proportional to 18,016 and 27,072 is: 40,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016 : 27,072 = 27,072 : x
  2. Step 2: Convert to fraction form
    18,016/27,072 = 27,072/x
  3. Step 3: Cross multiply
    18,016x = 27,072 × 27,072
  4. Step 4: Simplify right side
    18,016x = 732,893,184
  5. Step 5: Solve for x
    x = 732,893,184/18,016
  6. Step 6: Final answer
    x = 40,680.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.